PT-2025-13599 · Unknown · Netty Quic Codec

Published 2025-03-28 · Updated 2025-03-31 · CVE-2025-29908

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Netty QUIC codec versions prior to 0.0.71.Final

Description A hash collision vulnerability in the Netty QUIC codec allows remote attackers to cause a considerable CPU load on the server by initiating connections with colliding Source Connection IDs (SCIDs), resulting in a Hash DoS attack.

Recommendations For versions prior to 0.0.71.Final, update to version 0.0.71.Final to resolve the issue. As a temporary workaround, consider restricting access to the quiche module or limiting the number of connections to minimize the risk of exploitation.

Exploit

Fix

DoS

Weakness Enumeration

CWE-407

Related Identifiers

CVE-2025-29908

GHSA-HQQC-JR88-P6X2

Affected Products

Netty Quic Codec

References · 13

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29908.json · Exploit
• https://osv.dev/vulnerability/CVE-2025-29908 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-hqqc-jr88-p6x2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-29908 · Security Note
• https://github.com/netty/netty-incubator-codec-quic/commit/e059bd9b78723f8b035e0c547e42ce263f03461c · Note
• https://github.com/netty/netty-incubator-codec-quic/security/advisories/GHSA-hqqc-jr88-p6x2 · Note
• https://github.com/netty/netty-incubator-codec-quic · Note
• https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory · Note
• https://t.me/cvedetector/21656 · Telegram Post
• https://twitter.com/CVEnew/status/1906780379890979199 · Twitter Post
• https://t.me/cvetracker/20384 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1906824393142993063 · Twitter Post
• https://twitter.com/normanmaurer/status/1905693026644836702 · Twitter Post